logging: Modify the testcase to excercise Nico's fix
diff --git a/tests/logging/logging_test.c b/tests/logging/logging_test.c
index 5f29499..fd62db5 100644
--- a/tests/logging/logging_test.c
+++ b/tests/logging/logging_test.c
@@ -41,7 +41,7 @@
 		.enabled = 1, .loglevel = LOGL_NOTICE,
 	},
 	[DMM] = {
-		.name = "DMM",
+		.name = NULL,
 		.description = "Layer3 Mobility Management (MM)",
 		.color = "\033[1;33m",
 		.enabled = 1, .loglevel = LOGL_NOTICE,